"Trease and Evans" is an encyclopedic reference work on pharmacognosy - the study of those natural substances, principally plants, that find a use in medicine. Its popularity and longevity stem from the book's balance between classical (crude and powdered drugs' characterization and examination) and[...]

A new pocket-book edition of the bestselling watercolour tip book by renowned artist Charles Evans.Discover 100 top tips for painting in watercolour that will take the mystery out painting, covering topics from creating depth, introducing harmony, how to deal with light and shade and how to create m[...]

This new, up dated edition of Introduction to Mineral Exploration provides a comprehensive overview of all aspects of mineral exploration. Covers not only the nature of mineral exploration but also considers other factors essential to successful exploration, from target evaluation to feasibility[...]

Each day features a different influential figure in African-American history, from Crispus Attucks, the first man shot in the Boston Massacre, sparking the Revolutionary War, to Madame C. J. Walker, who after years of adversity became the wealthiest black woman in the country, as well as one of the [...]